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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef FPDFSDK_CPDFSDK_PAGEVIEW_H_
#define FPDFSDK_CPDFSDK_PAGEVIEW_H_
#include <memory>
#include <vector>
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
#include "fpdfsdk/cpdfsdk_annot.h"
#include "fpdfsdk/cpdfsdk_annothandlermgr.h"
class CFX_RenderDevice;
class CPDF_AnnotList;
class CPDF_RenderOptions;
class CPDFSDK_FormFillEnvironment;
class CPDFSDK_PageView final : public CPDF_Page::View {
public:
CPDFSDK_PageView(CPDFSDK_FormFillEnvironment* pFormFillEnv, IPDF_Page* page);
~CPDFSDK_PageView();
void PageView_OnDraw(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_RenderOptions* pOptions,
const FX_RECT& pClip);
void LoadFXAnnots();
CPDFSDK_Annot* GetFocusAnnot();
bool IsValidAnnot(const CPDF_Annot* p) const;
bool IsValidSDKAnnot(const CPDFSDK_Annot* p) const;
const std::vector<CPDFSDK_Annot*>& GetAnnotList() const {
return m_SDKAnnotArray;
}
CPDFSDK_Annot* GetAnnotByDict(CPDF_Dictionary* pDict);
#ifdef PDF_ENABLE_XFA
bool DeleteAnnot(CPDFSDK_Annot* pAnnot);
CPDFSDK_Annot* AddAnnot(CXFA_FFWidget* pPDFAnnot);
CPDFSDK_Annot* GetAnnotByXFAWidget(CXFA_FFWidget* pWidget);
IPDF_Page* GetXFAPage();
#endif // PDF_ENABLE_XFA
CPDF_Page* GetPDFPage() const;
CPDF_Document* GetPDFDocument();
CPDFSDK_FormFillEnvironment* GetFormFillEnv() const {
return m_pFormFillEnv.Get();
}
WideString GetFocusedFormText();
WideString GetSelectedText();
void ReplaceSelection(const WideString& text);
bool SelectAllText();
bool CanUndo();
bool CanRedo();
bool Undo();
bool Redo();
bool OnFocus(uint32_t nFlag, const CFX_PointF& point);
bool OnLButtonDown(uint32_t nFlag, const CFX_PointF& point);
bool OnLButtonUp(uint32_t nFlag, const CFX_PointF& point);
bool OnLButtonDblClk(uint32_t nFlag, const CFX_PointF& point);
bool OnRButtonDown(uint32_t nFlag, const CFX_PointF& point);
bool OnRButtonUp(uint32_t nFlag, const CFX_PointF& point);
bool OnChar(int nChar, uint32_t nFlag);
bool OnKeyDown(int nKeyCode, int nFlag);
bool OnKeyUp(int nKeyCode, int nFlag);
bool OnMouseMove(int nFlag, const CFX_PointF& point);
bool OnMouseWheel(int nFlag,
const CFX_PointF& point,
const CFX_Vector& delta);
bool SetIndexSelected(int index, bool selected);
bool IsIndexSelected(int index);
const CFX_Matrix& GetCurrentMatrix() const { return m_curMatrix; }
void UpdateRects(const std::vector<CFX_FloatRect>& rects);
void UpdateView(CPDFSDK_Annot* pAnnot);
int GetPageIndex() const;
void SetValid(bool bValid) { m_bValid = bValid; }
bool IsValid() const { return m_bValid; }
bool IsLocked() const { return m_bLocked; }
void SetBeingDestroyed() { m_bBeingDestroyed = true; }
bool IsBeingDestroyed() const { return m_bBeingDestroyed; }
void TakePageOwnership() { m_pOwnsPage.Reset(ToPDFPage(m_page)); }
private:
CPDFSDK_Annot* GetFXAnnotAtPoint(const CFX_PointF& point);
CPDFSDK_Annot* GetFXWidgetAtPoint(const CFX_PointF& point);
int GetPageIndexForStaticPDF() const;
void EnterWidget(CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlag);
void ExitWidget(CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr,
bool callExitCallback,
uint32_t nFlag);
CFX_Matrix m_curMatrix;
IPDF_Page* const m_page;
std::unique_ptr<CPDF_AnnotList> m_pAnnotList;
std::vector<CPDFSDK_Annot*> m_SDKAnnotArray;
UnownedPtr<CPDFSDK_FormFillEnvironment> const m_pFormFillEnv;
ObservedPtr<CPDFSDK_Annot> m_pCaptureWidget;
RetainPtr<CPDF_Page> m_pOwnsPage;
bool m_bOnWidget = false;
bool m_bValid = false;
bool m_bLocked = false;
bool m_bBeingDestroyed = false;
};
#endif // FPDFSDK_CPDFSDK_PAGEVIEW_H_